45972097 has 6 divisors (see below), whose sum is σ = 48835718. Its totient is φ = 43267584.

The previous prime is 45972089. The next prime is 45972107. The reversal of 45972097 is 79027954.

It can be written as a sum of positive squares in 3 ways, for example, as 28633201 + 17338896 = 5351^2 + 4164^2 .

It is not a de Polignac number, because 45972097 - 2³ = 45972089 is a prime.

It is a super-2 number, since 2×45972097² = 4226867405154818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45972007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79248 + ... + 79825.

Almost surely, 2^45972097 is an apocalyptic number.

It is an amenable number.

45972097 is a deficient number, since it is larger than the sum of its proper divisors (2863621).

45972097 is a wasteful number, since it uses less digits than its factorization.

45972097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159107 (or 159090 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 45972097 is about 6780.2726346365. The cubic root of 45972097 is about 358.2323247779.

The spelling of 45972097 in words is "forty-five million, nine hundred seventy-two thousand, ninety-seven".